... Samsonov attacked from the rear. The Russians were very successful in the beginning. The 1st Army crossed the eastern frontier of East Prussia on August 17th and drove back the Germans at Stalluponen. On the 20th it defeated them at Gumbinnen. As a result Prittwitz was forced to order a retreat to the Vistula River. With this success the Russians hoped to drive back the Germans and take over East Prussia. However, after the Battle of Gumbinnen ... 's First Army. Again the Germans were successful and drove the Russians out of East Prussia. The offensive began on September 8. The Germans m...

• Word Count: 3390
• Approx Pages: 14
• Grade Level: High School